Engineering, 20.08.2019 18:10 Atromity

When molding a large 1 mm thick, 300 mm by 20 mm, polystyrene ruler it is likely to have a 6k temperature imbalance between the mold halves. the thermal expansion of ps is b = 80um/m/k. the modulus for a characteristic demolding time is 1 gpa. estimate the amount of warpage for a 6k thermal mold imbalance. where are the maximum compressive residual stresses located in the ruler?

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When molding a large 1 mm thick, 300 mm by 20 mm, polystyrene ruler it is likely to have a 6k temper...